gst totals are not the same

why is it that the gst totals are not the same in the charges by user summary compared with the account summary. it may only be a penny here but if everybody is getting charged an extra penny that adds up to a lot of money for somebody.

Hi Ross! Since we can't access your account here on the Community, can you send us a secure email at this link: http://koo.do/11eMLdy? Choose "Social Media" as the type and don't forget to enter you Self Serve email and password when prompted so that we can access your account. Thanks and have a great one :)